The Original. Now with 0.9999 Purity. While gold Britannia has always offered beauty and reliability it now also gives you 0.9999 purity. The legendary figure of Britannia has symbolised Britain’s strength and integrity on coinage since Roman times. Little wonder then that the Britannia with such a depth of history behind it, has been a popular choice with bullion investors ever since its introduction in 1987. This new specification combined with its tradition and integrity gives new life for today’s investment customer.